Home / 20,610,388,467.17-30,897,876,551.10-7,162,925,254.34

Finding the Fourth Proportional to 20,610,388,467.17, 30,897,876,551.10 and 7,162,925,254.34

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Solution

The fourth proportional to 20,610,388,467.17, 30,897,876,551.10 and 7,162,925,254.34 is: 10,738,234,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610,388,467.17 : 30,897,876,551.10 = 7,162,925,254.34 : x
  2. Step 2: Convert to fraction form
    20,610,388,467.17/30,897,876,551.10 = 7,162,925,254.34/x
  3. Step 3: Cross multiply
    20,610,388,467.17x = 30,897,876,551.10 × 7,162,925,254.34
  4. Step 4: Simplify right side
    20,610,388,467.17x = 221,319,180,253,199,400,960
  5. Step 5: Solve for x
    x = 221,319,180,253,199,400,960/20,610,388,467.17
  6. Step 6: Final answer
    x = 10,738,234,294.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.